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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| McIlroy vs. DeChambeau | 100% | +11 pts | — | 75¢ · 100¢ (25¢) | — | ended |
| Rahm vs. Koepka | 0% | 0 pts | — | — · 13¢ | — | ended |
| Niemann vs. Hatton | 0% | +16 pts | — | — · 99¢ | — | ended |
| Scheffler vs. McIlroy | 100% | −16 pts | — | 1¢ · 100¢ (99¢) | — | ended |
| Hovland vs. Aberg | 0% | — | — | — · 99¢ | — | ended |
| McIlroy vs. Lowry | 100% | −16 pts | — | 1¢ · 100¢ (99¢) | — | ended |
| Schauffele vs. Cantlay | 100% | −27 pts | — | 1¢ · 100¢ (99¢) | — | ended |
| Thomas vs. Spieth | 100% | +1 pts | — | 1¢ · 100¢ (99¢) | — | ended |
| Morikawa vs. MacIntyre | 0% | +16 pts | — | — · 99¢ | — | ended |
| Scheffler vs. DeChambeau | 100% | −15 pts | — | 3¢ · 100¢ (97¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 460d | SweetChariot | Rahm vs. Koepka | BuyRahm>99¢ | $2,747 | — | 4 |
| 461d |  PhilHawesLover | Niemann vs. Hatton | BuyHatton99¢ | $1,485 | — | 4 |
| 464d | jaytee158 | Rahm vs. Koepka | BuyRahm79¢ | $2,173 | — | 8 |
| 464d |  ColdW | McIlroy vs. DeChambeau | BuyMcIlroy57¢ → 100¢ | $1,390 | +$1,050 +75% | 6 |
Vincenzoqe3 sharesThis is a market on the outcomes of the head to head matchups for the 2025 Open Championship, scheduled for July 17-20, 2025.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 100¢ for McIlroy vs. DeChambeau means the market gives it about 100%.